1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* Copyright (c) 1988 AT&T */ 23 /* All Rights Reserved */ 24 25 26 #ifndef _MALLOC_H 27 #define _MALLOC_H 28 29 #include <sys/types.h> 30 31 #ifdef __cplusplus 32 extern "C" { 33 #endif 34 35 /* 36 * Constants defining mallopt operations 37 */ 38 #define M_MXFAST 1 /* set size of blocks to be fast */ 39 #define M_NLBLKS 2 /* set number of block in a holding block */ 40 #define M_GRAIN 3 /* set number of sizes mapped to one, for */ 41 /* small blocks */ 42 #define M_KEEP 4 /* retain contents of block after a free */ 43 /* until another allocation */ 44 /* 45 * structure filled by 46 */ 47 struct mallinfo { 48 unsigned long arena; /* total space in arena */ 49 unsigned long ordblks; /* number of ordinary blocks */ 50 unsigned long smblks; /* number of small blocks */ 51 unsigned long hblks; /* number of holding blocks */ 52 unsigned long hblkhd; /* space in holding block headers */ 53 unsigned long usmblks; /* space in small blocks in use */ 54 unsigned long fsmblks; /* space in free small blocks */ 55 unsigned long uordblks; /* space in ordinary blocks in use */ 56 unsigned long fordblks; /* space in free ordinary blocks */ 57 unsigned long keepcost; /* cost of enabling keep option */ 58 }; 59 60 #if defined(__STDC__) 61 62 #if (!defined(_STRICT_STDC) && !defined(__XOPEN_OR_POSIX)) || \ 63 defined(_XPG3) 64 #if __cplusplus >= 199711L 65 namespace std { 66 #endif 67 68 void *malloc(size_t); 69 void free(void *); 70 void *realloc(void *, size_t); 71 void *calloc(size_t, size_t); 72 73 #if __cplusplus >= 199711L 74 } /* end of namespace std */ 75 76 using std::malloc; 77 using std::free; 78 using std::realloc; 79 using std::calloc; 80 #endif /* __cplusplus >= 199711L */ 81 #endif /* (!defined(_STRICT_STDC) && !defined(__XOPEN_OR_POSIX)) || ... */ 82 83 int mallopt(int, int); 84 struct mallinfo mallinfo(void); 85 86 #else 87 88 void *malloc(); 89 void free(); 90 void *realloc(); 91 void *calloc(); 92 int mallopt(); 93 struct mallinfo mallinfo(); 94 95 #endif /* __STDC__ */ 96 97 #ifdef __cplusplus 98 } 99 #endif 100 101 #endif /* _MALLOC_H */ 102